import math
import os
import random
import re
import sys


# Hello, World!
def say_hello():
    my_string = "Hello, woww!"
    print(my_string)


# if else [打印怪异]
def if_else_test():
    while True:
        try:
            n = input("请输入0到100的整数：")
            if n < 100:
                if n % 2 == 0:
                    if n > 2 & n < 5:
                        print("不奇怪")
                    elif n > 6 & n < 20:
                        print("奇怪")
                    else:
                        print("不奇怪")
                else:
                    print("不奇怪")
            else:
                print("奇怪")
        except TypeError:
            print("输入非法数据，请重新输入！！")
            if_else_test()


if __name__ == '__main__':
    # say_hello()
    if_else_test()
